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1990 Chevrolet S10 Blazer Question: high idle

 

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tommonflo, Fresno, CA, April 16, 2011, 19:27
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i have a 4.3 liter,high idle when it first starts then after it calms down it idles rough just wonder what options could cause this

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  • Answer #1

    April 16, 2011, 23:26
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     Master

    Idle control valve, vacuum leak, air intake leak, Manifold Absolute Pressure (MAP) sensor...

    Those are places I would begin looking...

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    tommonflo, April 17, 2011, 11:24
     Rookie

    ok thanks it gives me a starting point

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